Formation of cobalt- and lithium-containing heterometallic pyridonate carboxylate coordination polymers |
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| Authors: | N. V. Zauzolkova M. E. Nikiforova M. A. Kiskin A. S. Bogomyakov A. A. Sidorov I. L. Eremenko |
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| Affiliation: | 1.N. S. Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russian Federation;2.International Tomography Center,Siberian Branch of the Russian Academy of Sciences,Novosibirsk,Russian Federation |
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| Abstract: | ![]()
The reaction of cobalt(II) chloride with 2-hydroxypyridine (Hhp) and lithium pivalate in acetonitrile affords the 1D polymer [Li3CoCl(μ-Piv)(μ3-Piv)2(μ3,η2-Piv)(μ-Hhp)2(η1-HPiv)] n , in which the repeating units are linked by bridging pyridone molecules. The reaction of cobalt nitrate hexahydrate with 2-hydroxy-6-methylpyridine (Hmhp) in the presence of the deprotonating agent (Et3N) resulted in the crystallization of the 1D polymer of the composition [Li2Co7(μ3-OH)2(μ3-Piv)3(μ-Piv)2(μ3,η2-mhp)5(μ,η2-mhp)2(μ3-mhp)(μ,η2-NO3)·2MeCN] n , in which the bulky metal fragments {Li2Co7(OH)2(Piv)5)(mhp)8} are linked together through the lithium atoms by chelate bridging nitrate anions. The resulting 1D polymers were characterized by X-ray diffraction, and their magnetic properties were investigated. |
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